<!doctype html>
<html lang="en">
<head>
    {% block title %}<title>Local Library</title>{% endblock %}
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>

    {% load static %}
    <!-- 修正CSS路径 -->
    <link rel="stylesheet" href="{% static 'catalog/css/styles.css' %}">
</head>

<body>
    <div class="container-fluid">
        <div class="row">
            <div class="col-sm-2">
                {% block sidebar %}
                <ul class="sidebar-nav">
                    <li><a href="{% url 'index' %}">Home</a></li>
                    <li><a href="{% url 'books' %}">All books</a></li>
                    <li><a href="{% url 'authors' %}">All authors</a></li>
                </ul>
                {% endblock %}
            </div>
            <div class="col-sm-10">{% block content %}{% endblock %}</div>
        </div>
    </div>
</body>
</html>